[Hypoparathyroidism].

Hypoparathyreoidism of different etiology is the most common disorder of parathyreoidea. Symptoms caused by hypocalcemia are dominant and they are sign of disturbed neuromuscular balance. Alopecia is frequent disorder which occurs in the course of the illness. We report a case of five year old girl sent from Mostar because seizures incurable by phenobarbitone. Total alopecia was obvious. At admission total serum calcium level was 1.23 mmol/l. The level of parathormon was measured two times, and both results were under lowest value of normal range (< 10 pg/ml). After introducing calcitriol (Rocaltrol) in therapy, serum calcium level was almost normal and child was without symptoms.